{"title":"Fully Compensated Self-Resonant Coil with Low E-field and Low Profile for Consumer Electronics Wireless Charging","authors":"Ruiyang Qin, Jie Li, Jingjing Sun, D. Costinett","doi":"10.1109/APEC43580.2023.10131280","DOIUrl":null,"url":null,"abstract":"This paper details a fully compensated self-resonant coil (FSRC) with series LC resonance and reduced surface electric field for application in wireless power transfer for consumer electronics. By having a repeated series LC connection along the entire coil trace, the proposed series resonant structure achieves high-Q, low E-field, and thin profile simultaneously. The impact of ferrite shielding is also studied. Different E-field compensation coil geometries are studied, and a systematic design method is presented for optimal coil performance. Experimental tests verify the coil function, modeling, and design.","PeriodicalId":151216,"journal":{"name":"2023 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2023-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2023 IEEE Applied Power Electronics Conference and Exposition (APEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APEC43580.2023.10131280","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper details a fully compensated self-resonant coil (FSRC) with series LC resonance and reduced surface electric field for application in wireless power transfer for consumer electronics. By having a repeated series LC connection along the entire coil trace, the proposed series resonant structure achieves high-Q, low E-field, and thin profile simultaneously. The impact of ferrite shielding is also studied. Different E-field compensation coil geometries are studied, and a systematic design method is presented for optimal coil performance. Experimental tests verify the coil function, modeling, and design.
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